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Also, if you've never applied an Oracle patch before, make sure you practice in development / test environment first!
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Also, if you've never applied an Oracle patch before, make sure you practice in development / test environment first!

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Not only practice but get in the habit of writing down/documenting your own step-by-step guide.<br />
<br />
This way, when it comes time: you will greatly reduce surprises.
</div>


Not only practice but get in the habit of writing down/documenting your own step-by-step guide.

This way, when it comes time: you will greatly reduce surprises.

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<div class="content wysiwyg-content">
If the company wants to upgrade database in &nbsp;10.2.x.0 &nbsp; to this &nbsp;10.2.x.3.<br />
and 10.2.x.0 is in production...<br />
I know we user dbua..<br />
How we upgrade..we try to install 10.2.x.3 over it or what...<br />

</div>
</div>


If the company wants to upgrade database in  10.2.x.0   to this  10.2.x.3.
and 10.2.x.0 is in production...
I know we user dbua..
How we upgrade..we try to install 10.2.x.3 over it or what...


upgrade database

Oracle is an object-relational database management system. It supports a large number of languages and application development frameworks. Its primary languages are SQL, PL/SQL and Java, but it also includes support for C and C++. Oracle also has its own enterprise modules and application server software.